Wiring diagram for DC reverse unit used in Pre War 112's and some 200's

Dale Smith
 

I was contacted by a Flyer repairman who wondered if I might have a wiring diagram for the DC reverse unit used in Pre War flyer locomotives both HO and O gauge.   I don't have one, which is why I am asking if any of you might have something like this in your collections.  It might be a nice addition to the website.   Even an O gauge diagram would be helpful as the units were the same, as far as I know.   Thanks,

Dale

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